class_docstr: Store the group information created via `create_collective_group`.
  
  Note: Should be used as a NamedActor.
docstr: Get previously stored collective information.
docstr_tok: ["Get","previously","stored","collective","information","."]
code: def get_info(self):
      """Get previously stored collective information."""
      return self.ids, self.world_size, self.rank, self.backend
  
file_path: ray/python/ray/util/collective/util.py
imports: import ray
  import logging
label_desc: Use image node_id 3 for calling the Info obj's underlying member method code with example usage: obj.get_info() and returns: self,  self,  self,  self